145609330 has 8 divisors (see below), whose sum is σ = 262096812. Its totient is φ = 58243728.

The previous prime is 145609283. The next prime is 145609351. The reversal of 145609330 is 33906541.

145609330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 143544361 + 2064969 = 11981^2 + 1437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145609292 and 145609301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7280457 + ... + 7280476.

Almost surely, 2^145609330 is an apocalyptic number.

145609330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145609330 is a deficient number, since it is larger than the sum of its proper divisors (116487482).

145609330 is a wasteful number, since it uses less digits than its factorization.

145609330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14560940.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 145609330 is about 12066.8691051159. The cubic root of 145609330 is about 526.0936596799.

The spelling of 145609330 in words is "one hundred forty-five million, six hundred nine thousand, three hundred thirty".